./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d0bec28414a29f5d94e08ce8b0a09d9bead349efbfc356a0522b9df0355fe2d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:03:21,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:03:21,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:03:21,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:03:21,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:03:21,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:03:21,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:03:21,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:03:21,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:03:21,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:03:21,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:03:21,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:03:21,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:03:21,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:03:21,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:03:21,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:03:21,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:03:21,798 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:03:21,798 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:03:21,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:03:21,798 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:03:21,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:03:21,798 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:03:21,799 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:03:21,799 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:03:21,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:03:21,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:03:21,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:03:21,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:03:21,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:03:21,799 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:03:21,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:03:21,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0bec28414a29f5d94e08ce8b0a09d9bead349efbfc356a0522b9df0355fe2d5 [2024-11-25 03:03:22,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:03:22,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:03:22,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:03:22,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:03:22,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:03:22,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i [2024-11-25 03:03:25,165 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/data/e042cac4b/452e7ae170d1471693566bbb75ad4b71/FLAG98c73d91a [2024-11-25 03:03:25,707 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:03:25,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i [2024-11-25 03:03:25,742 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/data/e042cac4b/452e7ae170d1471693566bbb75ad4b71/FLAG98c73d91a [2024-11-25 03:03:25,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/data/e042cac4b/452e7ae170d1471693566bbb75ad4b71 [2024-11-25 03:03:25,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:03:25,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:03:25,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:03:25,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:03:25,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:03:25,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:03:25" (1/1) ... [2024-11-25 03:03:25,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f509d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:25, skipping insertion in model container [2024-11-25 03:03:25,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:03:25" (1/1) ... [2024-11-25 03:03:25,838 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:03:27,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:03:27,476 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:03:27,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:03:27,986 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:03:27,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:27 WrapperNode [2024-11-25 03:03:27,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:03:27,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:03:27,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:03:27,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:03:27,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:27" (1/1) ... [2024-11-25 03:03:28,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:27" (1/1) ... [2024-11-25 03:03:28,042 INFO L138 Inliner]: procedures = 936, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-25 03:03:28,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:03:28,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:03:28,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:03:28,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:03:28,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:27" (1/1) ... [2024-11-25 03:03:28,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:27" (1/1) ... [2024-11-25 03:03:28,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:27" (1/1) ... [2024-11-25 03:03:28,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:27" (1/1) ... [2024-11-25 03:03:28,058 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:27" (1/1) ... [2024-11-25 03:03:28,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:27" (1/1) ... [2024-11-25 03:03:28,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:27" (1/1) ... [2024-11-25 03:03:28,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:27" (1/1) ... [2024-11-25 03:03:28,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:27" (1/1) ... [2024-11-25 03:03:28,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:03:28,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:03:28,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:03:28,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:03:28,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:27" (1/1) ... [2024-11-25 03:03:28,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:03:28,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:03:28,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:03:28,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:03:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:03:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:03:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:03:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:03:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:03:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:03:28,292 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:03:28,294 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:03:28,444 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-25 03:03:28,444 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:03:28,490 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:03:28,490 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:03:28,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:03:28 BoogieIcfgContainer [2024-11-25 03:03:28,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:03:28,494 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:03:28,494 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:03:28,505 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:03:28,505 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:03:28" (1/1) ... [2024-11-25 03:03:28,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:03:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:03:28,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 03:03:28,576 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 03:03:28,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:03:28,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:03:28,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:03:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:03:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:03:28,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:03:28,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-25 03:03:28,820 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-25 03:03:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:03:28,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:03:28,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:03:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:03:28,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:03:28,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:03:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 20 transitions. [2024-11-25 03:03:28,996 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 03:03:28,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:03:28,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:03:28,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:03:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:03:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:03:29,117 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:03:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:03:29,169 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 03:03:29,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:03:29 ImpRootNode [2024-11-25 03:03:29,206 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:03:29,207 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:03:29,207 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:03:29,207 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:03:29,209 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:03:28" (3/4) ... [2024-11-25 03:03:29,211 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:03:29,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:03:29,215 INFO L158 Benchmark]: Toolchain (without parser) took 3451.91ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 96.3MB in the beginning and 349.6MB in the end (delta: -253.3MB). Peak memory consumption was 567.2kB. Max. memory is 16.1GB. [2024-11-25 03:03:29,215 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:03:29,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2224.68ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 86.3MB in the end (delta: 10.0MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2024-11-25 03:03:29,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.42ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 82.7MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:03:29,216 INFO L158 Benchmark]: Boogie Preprocessor took 22.23ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 81.9MB in the end (delta: 790.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:03:29,217 INFO L158 Benchmark]: RCFGBuilder took 424.21ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 67.9MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:03:29,217 INFO L158 Benchmark]: CodeCheck took 712.02ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 67.9MB in the beginning and 349.8MB in the end (delta: -281.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:03:29,218 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 394.3MB. Free memory was 349.8MB in the beginning and 349.6MB in the end (delta: 189.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:03:29,220 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 33 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1855]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1844, overapproximation of fgets at line 1842. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1832] static int staticTrue = 1; [L1833] static int staticFalse = 0; [L1863] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1863] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1864] CALL CWE190_Integer_Overflow__int_fgets_square_05_bad() [L1836] int data; [L1837] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1838] COND TRUE \read(staticTrue) [L1841] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1842] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1844] data = atoi(inputBuffer) [L1852] COND TRUE \read(staticTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1855] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2224.68ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 86.3MB in the end (delta: 10.0MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.42ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 82.7MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.23ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 81.9MB in the end (delta: 790.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 424.21ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 67.9MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 712.02ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 67.9MB in the beginning and 349.8MB in the end (delta: -281.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 394.3MB. Free memory was 349.8MB in the beginning and 349.6MB in the end (delta: 189.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:03:29,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d0bec28414a29f5d94e08ce8b0a09d9bead349efbfc356a0522b9df0355fe2d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:03:31,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:03:31,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:03:31,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:03:31,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:03:31,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:03:31,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:03:31,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:03:31,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:03:31,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:03:31,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:03:31,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:03:31,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:03:31,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:03:31,960 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:03:31,960 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:03:31,960 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:03:31,960 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:03:31,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:03:31,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:03:31,960 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:03:31,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:03:31,961 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:03:31,961 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:03:31,961 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:03:31,961 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:03:31,963 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:03:31,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:03:31,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:03:31,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:03:31,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:03:31,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:03:31,964 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:03:31,964 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:03:31,964 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:03:31,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0bec28414a29f5d94e08ce8b0a09d9bead349efbfc356a0522b9df0355fe2d5 [2024-11-25 03:03:32,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:03:32,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:03:32,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:03:32,269 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:03:32,269 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:03:32,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i [2024-11-25 03:03:35,254 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/data/2d7bbd64f/3bd391616cf64ef2835edd84df503a0e/FLAG1405c2453 [2024-11-25 03:03:35,838 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:03:35,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i [2024-11-25 03:03:35,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/data/2d7bbd64f/3bd391616cf64ef2835edd84df503a0e/FLAG1405c2453 [2024-11-25 03:03:35,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/data/2d7bbd64f/3bd391616cf64ef2835edd84df503a0e [2024-11-25 03:03:35,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:03:35,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:03:35,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:03:35,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:03:35,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:03:35,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:03:35" (1/1) ... [2024-11-25 03:03:35,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638f9f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:35, skipping insertion in model container [2024-11-25 03:03:35,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:03:35" (1/1) ... [2024-11-25 03:03:35,996 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:03:37,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:03:38,005 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:03:38,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:03:38,429 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:03:38,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38 WrapperNode [2024-11-25 03:03:38,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:03:38,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:03:38,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:03:38,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:03:38,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,507 INFO L138 Inliner]: procedures = 941, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-25 03:03:38,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:03:38,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:03:38,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:03:38,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:03:38,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,540 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:03:38,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:03:38,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:03:38,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:03:38,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:38" (1/1) ... [2024-11-25 03:03:38,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:03:38,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:03:38,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:03:38,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:03:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:03:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:03:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:03:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:03:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:03:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:03:38,788 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:03:38,791 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:03:40,396 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 03:03:40,396 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:03:40,459 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:03:40,460 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:03:40,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:03:40 BoogieIcfgContainer [2024-11-25 03:03:40,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:03:40,463 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:03:40,463 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:03:40,474 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:03:40,475 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:03:40" (1/1) ... [2024-11-25 03:03:40,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:03:40,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:03:40,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 03:03:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 03:03:40,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:03:40,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:03:40,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:03:40,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:03:40,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:03:40,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:03:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:03:40,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:03:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:03:40,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:03:40,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:03:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:03:40,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:03:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:03:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-25 03:03:40,896 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-25 03:03:40,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:03:40,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:03:40,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:03:40,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:03:40,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:03:40,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8531d2f3-16f5-41e4-98cb-eaaada55c1cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process